Bluelab® Combo Meter royal gold Has no effects on beneficial

Has no effects on beneficial insects like honey bees or ladybugs when used as directed

Just trim off the rough edge

some important exceptions do exist

and check for leaf burn in small-scale trials prior to use

Bluelab® Combo Meter royal gold Has no effects on beneficialThe Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops' daily nutrient requirements. Simple push button pH calibration. Successful pH calibration indicators. Low battery indicator. Over range and under range indicators. Display options available in degrees C and F, EC, CF, ppm